122287017147 has 16 divisors (see below), whose sum is σ = 163505118240. Its totient is φ = 81296911872.

The previous prime is 122287017121. The next prime is 122287017157. The reversal of 122287017147 is 741710782221.

It is not a de Polignac number, because 122287017147 - 2²⁸ = 122018581691 is a prime.

It is a super-2 number, since 2×122287017147² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122287017099 and 122287017108.

It is not an unprimeable number, because it can be changed into a prime (122287017157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5077129 + ... + 5101157.

It is an arithmetic number, because the mean of its divisors is an integer number (10219069890).

Almost surely, 2^122287017147 is an apocalyptic number.

122287017147 is a deficient number, since it is larger than the sum of its proper divisors (41218101093).

122287017147 is a wasteful number, since it uses less digits than its factorization.

122287017147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28702.

The product of its (nonzero) digits is 87808, while the sum is 42.

Adding to 122287017147 its reverse (741710782221), we get a palindrome (863997799368).

It can be divided in two parts, 12228 and 7017147, that added together give a triangular number (7029375 = T₃₇₄₉).

The spelling of 122287017147 in words is "one hundred twenty-two billion, two hundred eighty-seven million, seventeen thousand, one hundred forty-seven".